Anywho, a little insight, were in Miami so cold weather not an issue. He is running 1.4 on his P3A. One issue right away I called him out on was taking off at 67% battery. I've done this a few times, heck even launched at 40% after using a battery earlier. Still his battery had time to cool down as it was hours between flights and if I ever decide to use a half drained battery I make sure it's at most 20 min between flights to keep battery warm. Ok so he takes off at 67% gets a critical error at 56% 2~min of flight. I also noticed his battery life is at 87%. He should've discharged a while back to reset or tossed this battery.

Other that these obvious issues can anyone explain what happened in cell #4? I've learned a lot about lipos and these "smart batteries" but not sure the characteristics of the cells individually and how they act when battery life goes below 90%. Is this normal activity at 87%?

Please take a peek and let me know if you see anything else I've missed. As every crash this will be a learning lesson I want to make sure my buddy and I and anyone who reads this forum not let this happen and be more knowledgable in the preemptive steps to keeping our batteries and birds happy and healthy!

Anywho, a little insight, were in Miami so cold weather not an issue. He is running 1.4 on his P3A. One issue right away I called him out on was taking off at 67% battery. I've done this a few times, heck even launched at 40% after using a battery earlier. Still his battery had time to cool down as it was hours between flights and if I ever decide to use a half drained battery I make sure it's at most 20 min between flights to keep battery warm. Ok so he takes off at 67% gets a critical error at 56% 2~min of flight. I also noticed his battery life is at 87%. He should've discharged a while back to reset or tossed this battery.

Other that these obvious issues can anyone explain what happened in cell #4? I've learned a lot about lipos and these "smart batteries" but not sure the characteristics of the cells individually and how they act when battery life goes below 90%. Is this normal activity at 87%?

Please take a peek and let me know if you see anything else I've missed. As every crash this will be a learning lesson I want to make sure my buddy and I and anyone who reads this forum not let this happen and be more knowledgable in the preemptive steps to keeping our batteries and birds happy and healthy!

I believe when the aircraft is being forced into landing, you are still able to hold up on the lever which will maintain that altitude as long as the lever is held up. You can then fly to a safe landing area. There was a time this feature wasn't working but beta tester's complained and it was put back into the firmware.

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I believe when the aircraft is being forced into landing, you are still able to hold up on the lever which will maintain that altitude as long as the lever is held up. You can then fly to a safe landing area.